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path: root/drivers/video/omap2/displays/panel-taal.c
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Diffstat (limited to 'drivers/video/omap2/displays/panel-taal.c')
-rw-r--r--drivers/video/omap2/displays/panel-taal.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 0aaaa8a..e6d0954 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -820,17 +820,23 @@ static int taal_run_test(struct omap_dss_device *dssdev, int test_num)
u8 id1, id2, id3;
int r;
+ dsi_bus_lock();
+
r = taal_dcs_read_1(DCS_GET_ID1, &id1);
if (r)
- return r;
+ goto err;
r = taal_dcs_read_1(DCS_GET_ID2, &id2);
if (r)
- return r;
+ goto err;
r = taal_dcs_read_1(DCS_GET_ID3, &id3);
if (r)
- return r;
+ goto err;
+ dsi_bus_unlock();
return 0;
+err:
+ dsi_bus_unlock();
+ return r;
}
static int taal_memory_read(struct omap_dss_device *dssdev,